{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23429","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:46.016Z","datePublished":"2026-04-03T15:15:15.856Z","dateUpdated":"2026-05-11T22:06:44.212Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:06:44.212Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/sva: Fix crash in iommu_sva_unbind_device()\n\ndomain->mm->iommu_mm can be freed by iommu_domain_free():\n  iommu_domain_free()\n    mmdrop()\n      __mmdrop()\n        mm_pasid_drop()\nAfter iommu_domain_free() returns, accessing domain->mm->iommu_mm may\ndereference a freed mm structure, leading to a crash.\n\nFix this by moving the code that accesses domain->mm->iommu_mm to before\nthe call to iommu_domain_free()."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/iommu-sva.c"],"versions":[{"version":"9f0a7ab700f8620e433b05c57fbd26c92ea186d9","lessThan":"58abeb7b9562f25bdfa2f5ae5ce803eb02e74433","status":"affected","versionType":"git"},{"version":"e37d5a2d60a338c5917c45296bac65da1382eda5","lessThan":"f5daaa2c959d9f894fb5b1ab76da8612dd220a0d","status":"affected","versionType":"git"},{"version":"e37d5a2d60a338c5917c45296bac65da1382eda5","lessThan":"06e14c36e20b48171df13d51b89fe67c594ed07a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/iommu-sva.c"],"versions":[{"version":"6.19","status":"affected"},{"version":"0","lessThan":"6.19","status":"unaffected","versionType":"semver"},{"version":"6.18.20","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.10","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18.7","versionEndExcluding":"6.18.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/58abeb7b9562f25bdfa2f5ae5ce803eb02e74433"},{"url":"https://git.kernel.org/stable/c/f5daaa2c959d9f894fb5b1ab76da8612dd220a0d"},{"url":"https://git.kernel.org/stable/c/06e14c36e20b48171df13d51b89fe67c594ed07a"}],"title":"iommu/sva: Fix crash in iommu_sva_unbind_device()","x_generator":{"engine":"bippy-1.2.0"}}}}